Home / 369,135.55-551,680.32-269,505.55

Finding the Fourth Proportional to 369,135.55, 551,680.32 and 269,505.55

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Solution

The fourth proportional to 369,135.55, 551,680.32 and 269,505.55 is: 402,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,135.55 : 551,680.32 = 269,505.55 : x
  2. Step 2: Convert to fraction form
    369,135.55/551,680.32 = 269,505.55/x
  3. Step 3: Cross multiply
    369,135.55x = 551,680.32 × 269,505.55
  4. Step 4: Simplify right side
    369,135.55x = 148,680,908,065.78
  5. Step 5: Solve for x
    x = 148,680,908,065.78/369,135.55
  6. Step 6: Final answer
    x = 402,781.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.